Abstract This paper presents a novel current injection-based Newton-Raphson power flow algorithm with new PV bus representation for improving the convergence characteristics. In this proposed algorithm, rectangular coordinates are used to represent all non-linear current injection equations. Test results are produced to discuss the reasons behind the non-convergence of different PV bus representation schemes, also their performance comparison was done on the unbalanced 3-phase radial (18-Bus, 28-Bus, 84- Bus and 140-Bus) and meshed (6-Bus, 14-Bus, 24-Bus, 30-Bus, 57-Bus, 118-Bus and 300-bus, and 1354-Bus) test systems. Experimental results show that the proposed power flow method provides better convergence property for distribution system with a large number of PV buses. Also, the modification leads to a smaller Jacobian matrix and therefore reduces computational time.

中文翻译：

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一种新的基于电流注入的潮流公式

摘要 本文提出了一种新的基于电流注入的 Newton-Raphson 潮流算法，该算法具有新的 PV 总线表示，以改善收敛特性。在该算法中，直角坐标用于表示所有非线性电流注入方程。产生了测试结果来讨论不同光伏母线表示方案不收敛的原因，并在不平衡的三相径向（18-Bus、28-Bus、84-Bus和140-Bus）上进行了性能比较和网状（6 总线、14 总线、24 总线、30 总线、57 总线、118 总线和 300 总线以及 1354 总线）测试系统。实验结果表明，所提出的潮流方法为具有大量光伏母线的配电系统提供了更好的收敛性。还，